|  | You can help expand this article with text translated from the corresponding article in French. (December 2008)Click [show] for important translation instructions. 
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| Cernion | |
|---|---|
| The church in Cernion | |
| Coordinates: 49°47′54″N4°25′53″E / 49.7983°N 4.4314°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Ardennes | 
| Arrondissement | Charleville-Mézières | 
| Canton | Signy-l'Abbaye | 
| Intercommunality | Ardennes Thiérache | 
| Government | |
| • Mayor (2020–2026) | Patricia Felix [1] | 
| Area 1 | 6.58 km2 (2.54 sq mi) | 
| Population  (2022) [2]  | 54 | 
| • Density | 8.2/km2 (21/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  08094 /08260 | 
| Elevation | 285 m (935 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Cernion is a commune in the Ardennes department in northern France.
| Year | Pop. | ±% | 
|---|---|---|
| 1962 | 48 | — | 
| 1968 | 56 | +16.7% | 
| 1975 | 58 | +3.6% | 
| 1982 | 55 | −5.2% | 
| 1990 | 51 | −7.3% | 
| 1999 | 46 | −9.8% | 
| 2008 | 54 | +17.4% |